Name: Pollen forecast for Houston (2026-10-22)
Creator: Pollen Count
Published: 2026-10-22T15:56:44Z
License: https://pollencount.org/terms/

The pollen count in Houston today is moderate, driven mainly by Grass (mixed).

MED

5 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass MED

Tree LOW

Weed MED

Evening

Grass MED

Tree LOW

Weed HIGH

Species	Level	Count
🌾 Grass (mixed)	MED	15 grains/m³
🌿 Parthenium Weed	MED	13 grains/m³
🌾 Bermuda Grass	MED	11 grains/m³
🌿 Pellitory-of-the-wall	LOW	2 grains/m³
🌿 Russian Thistle	LOW	2 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS
🌾 Grass (mixed)	MED	16 grains/m³
🌿 Parthenium Weed	MED	14 grains/m³
🌾 Bermuda Grass	MED	11 grains/m³
🌿 Pellitory-of-the-wall	LOW	2 grains/m³
🌿 Russian Thistle	LOW	2 grains/m³
+35 more tracked Pigweed Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS
🌿 Parthenium Weed	HIGH	15 grains/m³
🌾 Grass (mixed)	MED	12 grains/m³
🌾 Bermuda Grass	MED	8 grains/m³
🌿 Pellitory-of-the-wall	LOW	2 grains/m³
🌿 Russian Thistle	LOW	2 grains/m³
+35 more tracked Pigweed Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS
🌾 Grass (mixed)	MED	16 grains/m³
🌿 Parthenium Weed	HIGH	15 grains/m³
🌾 Bermuda Grass	MED	11 grains/m³
🌿 Pellitory-of-the-wall	LOW	2 grains/m³
🌿 Russian Thistle	LOW	2 grains/m³
+35 more tracked Pigweed Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS

Last updated: 15:56 UTC

4-Day Forecast	Tree	Grass	Weed
Thu 22 Oct	LOW	MED	MED
Fri 23 Oct	LOW	MED	MED
Sat 24 Oct	LOW	MED	HIGH
Sun 25 Oct	LOW	MED	HIGH

Map of Houston (29.7604°, -95.3698°)

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What Pollen Levels Mean

LOW Symptoms are unlikely

MED Moderate risk of symptoms

HIGH Widespread symptoms likely

V.HI Expect significant symptoms

X.HI Extremely high symptom likelihood & severity